Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Chewing gum boosts your brain power.
285
Your thumb is about the same size as your nose.
124
The average person's skin weighs twice as much as their brain.
131
Enamel is hardest substance in the human body.
61
Your heart will pump about 212 million liters in its lifetime.
26